2010-03-24 17:22:56 +00:00
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/*
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** JNetLib
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** Copyright (C) 2000-2001 Nullsoft, Inc.
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** Author: Justin Frankel
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** File: asyncdns.h - JNL portable asynchronous DNS interface
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2010-03-26 17:18:17 +00:00
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** License: see License.txt
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2010-03-24 17:22:56 +00:00
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**
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** Usage:
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** 1. Create JNL_AsyncDNS object, optionally with the number of cache entries.
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** 2. call resolve() to resolve a hostname into an address. The return value of
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** resolve is 0 on success (host successfully resolved), 1 on wait (meaning
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** try calling resolve() with the same hostname in a few hundred milliseconds
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** or so), or -1 on error (i.e. the host can't resolve).
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** 4. enjoy.
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**
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** Unicode support by Jim Park -- 08/24/2007
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*/
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// Jim Park: Inet host name is strictly ANSI, no UNICODE for now.
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#ifndef _ASYNCDNS_H_
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#define _ASYNCDNS_H_
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class JNL_AsyncDNS
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{
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public:
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JNL_AsyncDNS();
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~JNL_AsyncDNS();
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int resolve(char *hostname, unsigned long *addr); // return 0 on success, 1 on wait, -1 on unresolvable
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private:
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void wait_for_thread_death();
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char m_hostname[256];
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unsigned long m_addr;
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HANDLE m_thread;
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static unsigned long WINAPI _threadfunc(LPVOID _d);
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};
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#endif //_ASYNCDNS_H_
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